Re: [PATCH v5 00/28] mm/virtio: skip redundant zeroing of host-zeroed pages

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From: Michael S. Tsirkin

Date: Thu May 07 2026 - 18:33:34 EST

On Thu, May 07, 2026 at 06:22:28PM -0400, Michael S. Tsirkin wrote:
> When a guest reports free pages to the hypervisor via virtio-balloon's
> free page reporting, the host typically zeros those pages when reclaiming
> their backing memory (e.g., via MADV_DONTNEED on anonymous mappings).
> When the guest later reallocates those pages, the kernel zeros them
> again, redundantly.

i just noticed that i have accidentally moved reported to after
inflate ( So there will be v6 but please do review.